Re: [OT]: mmap (Was: Templating System (preview Embperl 2.0))

[Paul J. Lucas]

On Fri, 28 Jul 2000, Malcolm Beattie wrote:

> Assuming the kernel only keeps track of the last fault position in the file,
> it won't recognise that it's being read linearly (twice :-) and may well not
> do the async read ahead and drop behind in page cache that it would do
> otherwise. Once again, you'll lose performance with mmap.

        And reading in the file twice into two separate I/O buffers
        is better?

        - Paul